diff --git a/a3/507ef65b59c4c2a4f44a61e8d4c0625b704a1d b/a3/507ef65b59c4c2a4f44a61e8d4c0625b704a1d
new file mode 100644
index 00000000000..75cf64c8194
--- /dev/null
+++ b/a3/507ef65b59c4c2a4f44a61e8d4c0625b704a1d
@@ -0,0 +1 @@
+Author: https://github.com/nico